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Luxury bathroom showroom featuring freestanding, alcove, drop-in, and corner bathtubs to illustrate a complete bathtub buying guide for modern homeowners.

Bathtub Buying Guide: Types, Sizes, Materials & What to Know Before You Buy (2026)

 

Bathtubs · Complete Buying Guide

Every bathtub decision in one place. This guide walks you through installation types, materials, sizes, faucets, and drains - in the exact order you should decide them - then points you to the tubs worth buying from Bathify right now.

Bathtub Buying Guide How to Choose a Bathtub Freestanding · Alcove · Drop-In · Soaking Bathify USA · Free Shipping $50+
A
Amon
A bathroom design expert and writer at Bathify, Amon specializes in creating content around smart layouts, premium fixtures, and modern bathroom aesthetics. His work bridges the gap between visual appeal and practical functionality, guiding US homeowners toward beautifully designed and highly efficient bathroom spaces.
· bathify.com
60"
Standard US alcove tub length - the size most bathrooms are framed for
14-20"
Water depth of a true soaking tub vs 12-14" for a standard tub
40-70
Gallons - typical fill capacity, at ~8.3 lbs per gallon of water
6
Distinct installation types covered in this complete buying guide
Start Here
How to Choose a Bathtub: Decide in the Right Order

Most bathtub-buying mistakes happen because people start with the wrong question. They fall in love with a sculptural freestanding tub, or a specific finish, before confirming whether it physically fits their bathroom, suits how they actually bathe, or can be delivered through their front door. A bathtub is a heavy, freight-shipped fixture that's plumbed into your floor - it's not a purchase you want to reverse. Deciding in the right order prevents almost every expensive regret.

The correct order is: installation type first, size second, material third - and only then style, shape, and color. Installation type is dictated by your room's layout and plumbing. Size is dictated by your measurements and delivery path. Material is a budget-and-use decision. Style is the fun part, and it's the last thing that should constrain you. This guide follows that exact sequence, so by the end you'll have narrowed thousands of options down to a short list of tubs that genuinely fit your bathroom.

How to use this guide

If you already know your installation type, jump to that section from the table of contents. If you're starting from scratch, read the 6 Types overview, then work through Materials and Sizes. Ready-to-buy? Skip to the verified Bathify picks. Every section links to a deeper guide if you want to go further on that one decision.

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Decision 1 · Installation Type
The 6 Bathtub Installation Types - At a Glance

Every bathtub is defined first by how it installs into your bathroom. This is the single most important decision because it's governed by your room's walls, floor space, and plumbing - not by taste. Get the installation type right and everything else follows; get it wrong and no material or style will save the project.

🛁
Freestanding
Standalone · finished all sides · statement piece
Most Popular 2026

A self-contained tub finished on every side, sitting on the floor or short feet. The centerpiece of spa-style bathrooms. Needs open floor space and clearance on all sides. Pairs with a freestanding or wall-mount tub filler.

🧱
Alcove
Three walls · one finished apron · tub-shower
Most Common

Installs into a three-wall recess with only the front apron finished. The default American tub-shower combo and the most budget-friendly, space-efficient choice. Almost always sized to the standard 60-inch opening.

Drop-In
Set into a deck · custom surround
Custom Look

A tub shell dropped into a built platform or deck, with the rim resting on top. Gives a custom, built-in look and a handy ledge for bath products. Requires framing and a finished surround, so it's a renovation-scale choice.

🪟
Undermount
Below deck · seamless stone/tile edge
Premium Finish

Luxury bathroom with an undermount bathtub seamlessly integrated beneath a marble deck for a clean, high-end built-in appearance.

Like a drop-in but mounted beneath the deck surface, so the stone or tile edge runs cleanly over the rim. The most seamless, high-end built-in look. Higher install cost and needs a solid, waterproofed surround.

📐
Corner
Triangular footprint · space-saving
Space Saver

Modern bathroom featuring a spacious corner bathtub with a triangular design that efficiently uses corner space while providing a generous soaking area.

A triangular or offset tub that tucks into a corner, using an awkward layout efficiently while still offering a wider bathing area. Great for irregular rooms - but corner tubs are large and hold a lot of water.

🚪
Walk-In
Watertight door · seat · accessibility
Accessibility

Modern accessible bathroom with a walk-in bathtub featuring a watertight door, built-in seat, and elegant aging-in-place design.

A tub with a watertight door and built-in seat that you step into rather than climb over. Designed for aging-in-place and limited-mobility users. You fill and drain while seated inside, so drain speed matters.

💡 The fastest way to narrow this down: If soaking is your priority and you have the floor space, go freestanding. If the tub must also be your shower, go alcove. If you're doing a full renovation and want a custom built-in look, go drop-in or undermount. Everything else is a special case. For a head-to-head on the two most common choices, read freestanding vs built-in bathtub.
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Type Deep Dive
Freestanding Bathtubs - The 2026 Statement Piece

Freestanding tubs have become the defining feature of primary and spa-style bathroom renovations, and the appeal is easy to understand: a sculptural tub sitting in open space instantly reads as a luxury focal point. Because they're finished on all sides, they can be placed against a wall, floated in the center of the room, or angled beneath a window. Modern freestanding tubs are most often made from acrylic reinforced with fiberglass, which keeps the weight manageable, the surface warm and comfortable, and the price accessible relative to cast iron or stone.

The trade-off is practicality. A freestanding tub is a soaking-first fixture - it's generally not designed to carry a wall-mounted shower and surround, so it works best in a bathroom that also has a separate shower. You also need genuine clearance around it (a common guideline is a few inches to a foot on each side for both looks and cleaning), and cleaning the floor around and behind it takes more effort than wiping down an enclosed alcove tub. If those conditions match your bathroom, a freestanding tub delivers the highest visual payoff of any tub type.

Key Spec

Check the drain location and filled weight before you commit. Freestanding tubs specify a drain rough-in position that your plumbing must match, and the spec sheet lists the filled weight - which determines whether your floor needs any attention. For the shortlist of models worth buying, see our roundup of the best freestanding bathtubs of 2026.

💡 Freestanding tubs pair with either a floor-mounted freestanding filler or a wall-mount filler. The filler is a separate purchase and a meaningful part of the budget and the look - don't leave it as an afterthought. See the bathtub filler faucet buying guide before you finalize your tub.
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Built-In Options
Alcove, Drop-In & Built-In Tubs - The Practical Workhorses
Luxury bathroom featuring a custom built-in drop-in bathtub with a stone surround, contrasted by a standard alcove tub in the background.

If a freestanding tub is the statement, built-in tubs are the workhorses. The alcove tub is the most common bathtub in American homes for good reason: it fits a standard three-wall recess, uses space efficiently, doubles as a shower, and is the most affordable installation. Because bathrooms are typically framed for a 60-inch opening, an alcove replacement is often the simplest tub swap you can make - you're matching an established rough-in rather than rebuilding the space.

Drop-in and undermount tubs trade that simplicity for a custom look. Both drop a tub shell into a built deck; the difference is the edge. A drop-in leaves the tub's own rim visible on top of the deck, while an undermount runs the stone or tile surface cleanly over the edge for a seamless, high-end finish. Both are renovation-scale projects because they require framing, waterproofing, and a finished surround - but they let you integrate the tub into a tiled platform, add a product ledge, and control the exact dimensions of the bathing area.

Alcove vs freestanding: the one-question test

Does this tub need to be your shower too? If yes, an alcove tub is almost always the right answer - it's built for a wall surround and a shower valve. If no, and you have the floor space, a freestanding tub gives you far more visual impact. We break the full comparison down in freestanding vs built-in bathtub.

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Decision 3 · Material
Bathtub Materials: Acrylic, Cast Iron, Stone & the Rest

Material determines four things that matter every time you use the tub: how warm it feels, how long it holds heat, how heavy it is (which affects installation and your floor), and how it ages. There's no single "best" material - there's the right material for your budget, your installation type, and how you bathe. Here's how the main options actually compare.

Material Feel & Heat Weight Durability Best For
Acrylic (fiberglass-reinforced) Warm to the touch, good heat retention Light Very good; scratches can be buffed/repaired Most freestanding & alcove tubs - the value pick
Fiberglass (FRP/gelcoat) Warm, but heat fades faster Lightest Lower; more prone to wear over time Budget builds, rentals, low-use bathrooms
Cast Iron (enamel) Cool at first, then holds heat longest Very heavy Excellent; lifetime enamel surface Long hot soaks, ground-floor, lifetime fixture
Enameled Steel Cool, loses heat quickly Moderate-heavy Good; enamel can chip if struck Durable alcove tubs on a budget
Stone Resin / Solid Surface Warm, excellent heat retention Heavy Excellent; matte, repairable surface Premium freestanding soaking tubs
Copper Warm, great heat retention, living patina Moderate Excellent, but needs specific care Statement/vintage designs

For the vast majority of buyers, acrylic reinforced with fiberglass is the smart default. It's light enough to simplify installation and floor loading, warm and comfortable, resistant to staining and scratching, and repairable. That's why nearly all of the freestanding soaking tubs at Bathify use UPC-certified acrylic construction. The main reason to step up to cast iron or stone resin is heat retention for long soaks - and the main reason to avoid them is weight.

⚠️ Weight isn't just about installation - it's about your floor. A filled tub combines the tub's own weight, 40-70 gallons of water (about 8.3 lbs per gallon), and a bather. A large cast iron or stone soaking tub can push well past what a standard upstairs floor was designed to carry. Lightweight acrylic on a sound floor is usually fine; heavy materials, big soaking capacities, or upper-floor installs should be checked by a professional.
💡 The most-searched material question deserves its own answer. We compare heat retention, durability, weight, and long-term cost head-to-head in acrylic vs cast iron bathtub: which material wins long-term.
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By Bathing Experience
Soaking, Jetted & Japanese Tubs - Choosing the Bathing Experience

Installation type and material describe how a tub is built. The other half of the decision is how it's meant to be used. Three experience-driven categories come up again and again, and they cut across installation types.

Soaking tubs are simply deeper than standard tubs - offering 14-20+ inches of water depth so the water covers more of your body. If a long, immersive bath is the whole point of adding a tub, this is the category to prioritize. Jetted and whirlpool tubs add water or air jets for a massage effect; they deliver a spa-like experience but add pumps, plumbing, cost, and cleaning/maintenance that a plain soaking tub avoids. Japanese soaking tubs (ofuro) take the soaking idea further - they're short but very deep, designed for sitting upright immersed to the shoulders, and are ideal for small bathrooms where floor area is tight but a deep soak is still wanted.

💡 Deciding between a plain deep soak and powered jets is the key fork here. We lay out the maintenance, cost, and comfort trade-offs in soaking tub vs jetted tub, go deep on immersion depth in the deep soaking tubs buying guide, and cover the space-saving upright design in the Japanese soaking tub guide.
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Classic Style
Clawfoot Tubs - Do They Still Make Sense in a Modern Bathroom?

Clawfoot tubs are a specific flavor of freestanding tub: a raised tub standing on four decorative feet, tied to vintage, farmhouse, and traditional bathroom styles. Their appeal is character - few fixtures anchor a room the way a clawfoot does. They're often available in enameled cast iron for classic heat retention, or lighter acrylic reproductions that are far easier to install. The considerations are the same as any freestanding tub (clearance, filler choice, cleaning underneath) plus the visual commitment to a period look.

Whether a clawfoot still earns its place depends on your design direction and how much you value that traditional statement versus the cleaner lines of a modern freestanding tub. We weigh the pros, cons, and styling in is a clawfoot tub still worth it in a modern bathroom.

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Decision 2 · Size & Measuring
Bathtub Sizes - The Numbers That Prevent Delivery Disasters

More tubs are bought in the wrong size than any other wrong attribute, and the mistake is expensive because tubs ship as heavy freight. Before you fall for a specific model, know the standard dimensions and - just as importantly - measure the path the tub has to travel to reach the bathroom. A 67-inch soaking tub that won't clear a hallway turn or a bathroom doorway is a problem you discover on delivery day.

Standard Bathtub Sizes - Quick Reference
Tub Type
Typical Dimensions (L × W × Depth)
Standard Alcove
60" × 30-32" × 14-16" - the default US size
Compact / Small Bath
48-54" × 27-30" - for tight or half-bath spaces
Freestanding (compact)
55-59" × 27-32" - fits smaller primary baths
Freestanding (full-size)
65-72" × 30-36" × 18-24" soak depth
Drop-In / Undermount
60-72" × 32-42" - deck footprint is larger than the tub
Japanese Soaking
Short footprint, 22-27"+ deep - upright immersion

Measure four things: the tub space itself (length, width, and the wall height for a surround); the filled depth you want for the soak; the drain rough-in position your plumbing provides; and - critically - the narrowest point on the delivery route (front door, hallway turns, bathroom doorway, and any stairs). Confirm each against the model's spec sheet before ordering.

💡 Sizing has enough detail to warrant its own guide. For a full walkthrough of standard dimensions and a step-by-step measuring method, read bathtub sizes: standard dimensions & how to measure your space.
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Don't Forget
Bathtub Faucets & Fillers - The Purchase People Forget

A tub filler is a separate purchase from the tub, and how it mounts depends entirely on your tub type. Buying the tub without planning the filler is one of the most common oversights - and the two decisions are linked, because the filler style has to match both the tub and the rough-in plumbing.

The main filler types are freestanding (floor-mounted) fillers that rise from the floor beside a freestanding tub; wall-mount fillers that come out of the wall (common with alcove and some freestanding setups); deck-mount fillers that sit on the rim of a drop-in tub or its deck; and roman tub fillers designed for wide deck spreads. The right one is dictated by your tub and where your water supply is roughed in - so decide the filler alongside the tub, not after.

💡 Match the filler to the tub and the plumbing rough-in the first time. Our bathtub filler faucet buying guide covers freestanding vs wall-mount fillers, spout reach, and valve compatibility. Browse options in the tub faucets collection at Bathify.
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The Overlooked Detail
Bathtub Drains - Small Part, Big Consequences

The drain is easy to ignore until it leaks or clogs - and then it's the most annoying part of the whole tub. Two things matter up front: the drain location must line up with your plumbing rough-in (this is set by the tub you choose), and the drain assembly and stopper style should match how you use the tub. Common stopper mechanisms include lift-and-turn, push-and-pull (toe-touch), and trip-lever styles, each with its own feel and maintenance quirks.

For walk-in and deep soaking tubs, drain speed becomes important too, since you may be waiting inside the tub for it to empty. If you're replacing a tub, identifying your existing drain type first makes the swap far smoother.

💡 Not sure what you have? Our bathtub drain types guide shows how to identify yours and what to replace it with, and you can browse tub drains at Bathify.
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Full Comparison
Complete Bathtub Type Comparison
Feature Freestanding Alcove Drop-In Corner Walk-In
Doubles as a shower Rarely Yes Sometimes Sometimes Some models
Space efficiency Needs clearance Excellent Moderate Good in corners Moderate
Install complexity Moderate Easy-Moderate Renovation Renovation Moderate-Hard
Visual impact Highest Low Custom/High Moderate Functional
Accessibility Step-over Step-over Step-over Step-over Best
Typical price range $800-$3,000+ $300-$1,200 $500-$2,000+ $700-$2,500 $1,500-$5,000+
Best bathroom Spa / primary bath Family / tub-shower Renovated / custom Irregular layouts Aging-in-place

Price ranges are general US market estimates for the tub itself and vary by material, size, and brand; fillers, drains, and installation are additional.

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Repair or Replace
Repair, Refinish, or Replace? Making the Call

Not every tired-looking tub needs replacing. If the tub is structurally sound but the surface is dull, stained, or lightly chipped, refinishing (reglazing) can restore it for a fraction of the cost and disruption of a full replacement - no plumbing changes, no demolition. It's especially worth considering for a heavy cast iron tub that would be a major job to remove.

Replacement makes more sense when the tub is cracked, leaking, the wrong size or type for your needs, or when you're already renovating the surrounding space. The honest decision usually comes down to the condition of the tub body and whether you want to change type, size, or layout - refinishing keeps what you have; replacing lets you rethink it.

💡 Weighing a DIY reglaze against hiring a pro? We cover cost, durability, and process in how to refinish a bathtub: DIY vs professional reglazing.
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Shop at Bathify
Top Bathtubs at Bathify - Verified 2026 Picks

Bathify carries freestanding and drop-in bathtubs built from UPC-certified acrylic reinforced with fiberglass - light, warm, stain- and scratch-resistant, and easy to place. These are standout options across sizes and shapes, from compact soakers to full-size statement tubs. Every tub ships with free US shipping on orders over $50 and a 30-day return window.

Freestanding Vanity Art Adonis 55" Acrylic Freestanding Bathtub Best for Small Baths

White / Titanium Gold

At roughly 54.7" × 28.3", the Adonis is the compact freestanding pick - a genuine soaking tub that fits primary bathrooms where a full 67-inch tub won't. The gentle sloping interior follows the body for comfortable reclining, and the UPC-certified acrylic keeps it light, warm, and easy to place. A smart way to get the freestanding look without needing a large footprint.

Size: ~54.7" × 28.3" Material: UPC-certified acrylic + fiberglass Style: Oval soaking, flatbottom Best for: Compact primary bathrooms

Shop: Vanity Art Adonis 55" at Bathify → · $966.99

Freestanding Vanity Art Eiffel 67" Acrylic Freestanding Soaking Bathtub Best All-Round Soaker

White / Titanium Gold

The Eiffel is the classic full-size freestanding soaking tub - 67 inches of length with the deep, curved interior that makes for a proper full-body soak. It's the do-everything centerpiece for a spa-style primary bathroom, in durable UPC-certified acrylic reinforced with fiberglass so the weight stays manageable. Pair it with a floor-mounted freestanding filler for the complete statement.

Size: 67" length Material: Acrylic + fiberglass, UPC certified Style: Curved soaking, freestanding Best for: Full-size spa bathrooms

Shop: Vanity Art Eiffel 67" at Bathify → · $1,132.99

Freestanding Vanity Art Trent 67" Rectangular Soaking Freestanding Bathtub Best Modern Lines

White / Titanium Gold

Where the Eiffel is curved and classic, the Trent is crisp and contemporary - a 67-inch flatbottom rectangular soaking tub with clean, angular lines that suit modern and minimalist bathrooms with geometric tile and hardware. Same UPC-certified acrylic-plus-fiberglass construction, same full-size soak, different design language. The pick when the rest of your bathroom is sharp and linear.

Size: 67" length Material: Acrylic + fiberglass, UPC certified Style: Rectangular flatbottom, modern Best for: Modern / minimalist bathrooms

Shop: Vanity Art Trent 67" at Bathify → · $1,135.99

Freestanding Vanity Art Alto 59" Oval Soaking Freestanding Bathtub Best Mid-Size Oval

White / Polished Chrome

The Alto splits the difference at 59 inches - a mid-size oval flatbottom soaking tub with ergonomic, contemporary curves that make the room feel more spacious. Its glossy white acrylic finish is reinforced with fiberglass for strength, and the oval profile softens a bathroom full of straight lines. A versatile middle option between the compact Adonis and the full-size 67-inch tubs.

Size: 59" length Material: Glossy acrylic + fiberglass Style: Oval flatbottom soaking Best for: Mid-size primary bathrooms

Shop: Vanity Art Alto 59" at Bathify →

Freestanding Vanity Art Palma 59" Non-Slip Freestanding Soaking Bathtub Best Non-Slip Safety

White / Titanium Gold

The Palma adds a practical edge to the freestanding format: a non-slip flatbottom surface, which matters for anyone prioritizing safety - including households with children or anyone stepping in and out of a deep soaker. It keeps the same body-following sloped interior and UPC-certified acrylic construction as the rest of the line, at a versatile 59-inch length that suits most primary bathrooms.

Size: 59" length Material: UPC-certified acrylic + fiberglass Feature: Non-slip flatbottom Best for: Safety-conscious households

Shop: Vanity Art Palma 59" at Bathify →

💡 Browse the full range - freestanding and drop-in tubs, plus matching tub fillers and drains - at Bathify Bathtubs and Freestanding Bathtubs. Free shipping on US orders over $50, with a 30-day return policy and price-match guarantee.
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How to Choose

Work through type, size, and material - then let style be the fun part

You want a spa-style focal point and have the floor space: Go freestanding. Choose a full-size 67" soaker like the Eiffel (classic curves) or Trent (modern lines), and budget for a separate tub filler.

The tub also has to be your shower: Go alcove. It fits the standard 60" opening, works with a wall surround and shower valve, and is the most space- and budget-efficient choice.

You have a smaller or mid-size bathroom but still want to soak: A compact or mid-size freestanding tub like the Adonis 55" or Alto 59" delivers a real soak without needing a large footprint. A Japanese-style deep tub is another option where floor area is tight.

Safety and easy entry matter most: Prioritize a non-slip surface like the Palma 59", or a walk-in tub for genuine step-in accessibility.

Long, hot soaks are the whole point: Heat retention favors cast iron or stone resin - just confirm your floor can carry the filled weight. Otherwise, acrylic is the best all-round value for nearly every buyer.

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Expert Answers
Bathtub Buying Questions - Answered Directly
Q
How do I choose the right bathtub?
Choose in this order: installation type, size, then material. First confirm the installation type your bathroom allows - a freestanding tub needs open floor space and clearance on all sides, an alcove tub fits a three-wall recess, and a drop-in requires a built deck. Second, measure your space and match it to a standard tub size; most US alcove tubs are 60 inches long and freestanding tubs run 55-72 inches. Third, pick the material based on budget and use - acrylic is the best all-round value, while cast iron holds heat longest but is very heavy. Only after these three decisions should you choose a style or shape. See the full framework in freestanding vs built-in bathtub.
Q
What is the standard bathtub size?
The standard US alcove (built-in) bathtub is 60 inches long, 30-32 inches wide, and 14-16 inches deep - the size most bathrooms are framed for, so a replacement almost always targets 60 inches. Freestanding soaking tubs range wider, roughly 55-72 inches long and 27-36 inches wide, with soaking depths of 14-20 inches. Before buying, measure the length, width, and the doorway and hallway the tub must pass through on delivery, since large tubs are heavy freight items. Full details are in the bathtub sizes & dimensions guide.
Q
Is an acrylic or cast iron bathtub better?
For most homeowners, acrylic is the better choice: it's lightweight (easing installation and floor loading), warm to the touch, comfortable, resistant to chips, and repairable if scratched. A quality acrylic tub reinforced with fiberglass is durable and holds heat reasonably well. Cast iron holds heat the longest and is extremely durable, but it's very heavy (often 300-500+ pounds empty), frequently needs floor reinforcement, and costs more. Choose cast iron for long hot soaks and a lifetime fixture; choose acrylic for value and easier installation. Full comparison: acrylic vs cast iron bathtub.
Q
Are freestanding bathtubs practical for everyday use?
Yes, for the right bathroom. A freestanding tub works well when you have the floor space and clearance around all sides and when soaking - not showering - is the primary use, making it ideal for primary and spa-style bathrooms. It's less practical as a combined tub-shower, since most freestanding tubs aren't designed for a wall-mounted shower and surround, and cleaning around and behind one takes more effort than an enclosed alcove tub. If the tub must be your only shower, an alcove tub is usually more practical. Compare directly in freestanding vs built-in bathtub.
Q
What is the difference between a soaking tub and a regular tub?
A soaking tub is deeper than a standard tub - typically 14-20+ inches of water depth versus 12-14 inches for a standard alcove tub - so water covers more of your body for a fuller, more immersive soak. Soaking tubs prioritize depth and comfort over shower functionality and are common in freestanding and Japanese-style designs. A regular (standard alcove) tub is shallower and designed as a combined tub and shower. If deep, relaxing baths are your goal, a soaking tub is worth it. Learn more in the deep soaking tubs buying guide and soaking tub vs jetted tub.
Q
Do I need to reinforce my floor for a bathtub?
It depends on the tub's material and water capacity. A filled tub can weigh several hundred pounds once you add the tub, 40-70 gallons of water (about 8.3 pounds per gallon), and a bather - so a full 60-gallon soaking tub can exceed 500 pounds of water weight alone. Lightweight acrylic tubs on a standard, structurally sound floor usually don't require reinforcement. Heavy cast iron or stone-resin tubs, large-capacity soakers, or upper-floor installations may require a contractor to verify or reinforce the floor joists. Always check the filled weight on the specification sheet and consult a professional if you're unsure about your floor's load capacity.
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Shop Bathtubs at Bathify

Freestanding and drop-in bathtubs, plus matching tub fillers and drains - built from UPC-certified acrylic. Free shipping on US orders over $50, with a 30-day return policy.

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